Nut allergies are one of the most common types of food allergies out there. While there are nearly two dozen different nuts you can be allergic to, they are usually classified between two types of nut allergies: peanut and tree nut. In this article, we’ll cover these different types, their symptoms, how to treat an allergic reaction, and more. What causes nut allergies? Similar to other allergic reactions, nut allergy symptoms are the result of someone’s immune system reacting to …